參數(shù)資料
型號(hào): LN87C54-20
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM
中文描述: 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 13/20頁
文件大?。?/td> 290K
代理商: LN87C54-20
AUTOMOTIVE 87C54/87C54-20
SERIAL PORT TIMINGDSHIFT REGISTER MODE
Test Conditions:
T
A
e b
40
§
C to
a
125
§
C; V
CC
e
5V
g
20%; V
SS
e
0V; Load Capacitance
e
80 pF
Symbol
Parameter
12 MHz Oscillator
Variable Oscillator
Units
Min
Max
Min
Max
T
XLXL
Serial Port Clock Cycle Time
1
12T
CLCL
10T
CLCL
b
133
m
s
T
QVXH
Output Data Setup to Clock
Rising Edge
700
ns
T
XHQX
Output Data Hold after
Clock Rising Edge
50
2T
CLCL
b
117
ns
T
XHDX
Input Data Hold After Clock
Rising Edge
0
0
ns
T
XHDV
Clock Rising Edge to Input
Data Valid
700
10T
CLCL
b
133
ns
SHIFT REGISTER MODE TIMING WAVEFORMS
270849–15
EXTERNAL CLOCK DRIVE
Symbol
Parameter
Min
Max
Units
1/T
CLCL
Oscillator Frequency
87C54
3.5
16/20
MHz
T
CHCX
T
CLCX
T
CLCH
T
CHCL
High Time
20
ns
Low Time
20
ns
Rise Time
20
ns
Fall Time
20
ns
EXTERNAL CLOCK DRIVE WAVEFORMS
270849–16
13
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